{
"manageEntity": {
"action": "Save",
"entityId": "1236022907",
"entityType": "Track",
"nonce": "0x349c5f243c25ab682c942d6b67ad05fe1afe99fea0e38a6bcc5ecb8aa7aaf0c2",
"signature": "0x2522dea3553c5472e4c57f7dd4215f92338d9b07f4f52b7a3a966aace5d9f23c2d2922e16f2f9c63c26cf0d18fc72d2061bc0cb8d7b05aeab7ed998337e5103a1b",
"signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
"userId": "416239376"
}
}