{
"manageEntity": {
"action": "Save",
"entityId": "274685617",
"entityType": "Track",
"nonce": "0x92f135beb0e5e8912633e7493139bc65d19be70ebb87324d866697121bcfbd77",
"signature": "0x79f4c07c4e6e4fee6f09df68e5d34beebfcb6f7d98f74e9276aa7a2e82c01c9273c93c9d5d17cdb96e662e961d7b49440d4c4998cf68d57b5945e605f8f774b31c",
"signer": "0xa22176a11BF6703EFe39D488aA7cC06aa781C44A",
"userId": "633924738"
}
}