{
"manageEntity": {
"action": "Save",
"entityId": "1060127762",
"entityType": "Track",
"nonce": "0x7d67fbab3a6190e7781f4af4d73d2e3f4d0e3741e44178d107abcb1c75c17ba1",
"signature": "0x93e2df2d380b4c8be7be7bb7811cbf410a4498289794fcb50c1d7b135605195905d1a990bc213b9e09fd8c8c01e90da6f35a000b973e027668ecaf9873e1211d1c",
"signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
"userId": "981716494"
}
}