{
"manageEntity": {
"action": "Save",
"entityId": "60836038",
"entityType": "Track",
"nonce": "0xcd2be994efdcbf5379763f1fd767dd3e92e2823255aa9a072ead50519ba286d3",
"signature": "0xc417ba62e1d68a61468e882c143f72f4fa4811d8b0efe10942ab34e8d0d75b1502a71d41175faa1d0b969a124125dc21c66681be27a3da857aa82a82f65f99081b",
"signer": "0x12705C8Fe8CE886CeFEFa0d4d46E906f2c35C954",
"userId": "477934274"
}
}