{
  "manageEntity": {
    "action": "Save",
    "entityId": "2032110060",
    "entityType": "Track",
    "nonce": "0x3f3f682a126dba4a87d09396675370518afaf718cd216ad70e57d052ad13a538",
    "signature": "0x8d155c70903a6886bb91b5dbaacbdb5b6293c8013c7500a569bba75c97d29fa60684ba192ba9f400a942466b78ddb05d0413d78523aeb1a06d249a95ceddfa1c1c",
    "signer": "0x6245d270201FE6e26477efA986E8C4035bF65C71",
    "userId": "36222594"
  }
}