{
"manageEntity": {
"action": "Create",
"entityId": "705811313",
"entityType": "Track",
"metadata": "{\"cid\":\"\",\"access_authorities\":null,\"data\":{\"track_id\":705811313,\"title\":\"d73d390af3f9b67142e685efccb76b46\",\"genre\":\"Electronic\",\"is_unlisted\":true,\"is_downloadable\":false,\"is_original_available\":false,\"comments_disabled\":true,\"access_authorities\":null,\"field_visibility\":{\"genre\":false,\"mood\":false,\"tags\":false,\"share\":false,\"play_count\":false,\"remixes\":false},\"owner_id\":715160400,\"track_cid\":\"baeaaaiqsediusqmh5xpquxboc4zlbo7yqmaobqt5km2xjra5z67wruw2rznxs\",\"orig_file_cid\":\"baeaaaiqsebmb4xf7hfv7m3wrnuo54ux4otdeo5dsejsy33kcprerhutkbnq3g\",\"orig_filename\":\"add474f35b21fa916faf35639af066f2.mp3\",\"audio_upload_id\":\"7fb2e3fc41c7ce3bdd8be4812899bbab\",\"duration\":351}}",
"nonce": "0x57d3fbd316ff7cf2cac39c9d0d09c04925a36fbe4a7a193e76de54f84b432c11",
"signature": "0xf8e1e4b0d9b2aad227ddddf0f92f9c27bef06f96cf217eab5fba758047288dff11792f18c388af1617789227146c50772f4476e8e18b47d29d3c9a7ca1b1652e1b",
"signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
"userId": "715160400"
}
}