{
"manageEntity": {
"action": "Save",
"entityId": "1844565405",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0x937ae358798b1c7962b09fe57bb1886dd47b74b5f7d393896ce7c0f5441e871b",
"signature": "0x585641c53e0e37212c74b3b2c5cee7549fe63fc507101977cedf482d772a28e117c601922eaff1cd4a39bb5c4c7ee8e3af4b333f83105d5facb9d28e8ca27fd31b",
"signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
"userId": "77551267"
}
}