{
"manageEntity": {
"action": "Save",
"entityId": "320997315",
"entityType": "Track",
"nonce": "1793173069654261006",
"signature": "0xca4643ccdca31a73e9a86d0bed0f14a8022e8d130e0245ba5ffb1e04664805f35524a3d9b0ea173cd2d33dd02bbc4ca5939052d178b93df151c97fe89c45cf1d1b",
"signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
"userId": "827420993"
}
}