{
"manageEntity": {
"action": "Save",
"entityId": "1610933634",
"entityType": "Track",
"nonce": "1794072963512008722",
"signature": "0x731347d9c48045c70155e0c877058bd04f56d34f81b7b5d0b6b105d7c3735f56300a8744338cc91a2e9be870b3f816664dd76e0faed566f79d7b6066174f84411b",
"signer": "0x35a49E909b7FA3A6614bdB9111515DcB77f40183",
"userId": "949093806"
}
}