{
  "manageEntity": {
    "action": "Delete",
    "entityId": "210042066",
    "entityType": "Track",
    "nonce": "0x4c0c9557a9935f5791c4536f1e102a3d838620db223e89355184b1fc094edc5f",
    "signature": "0xd053ecaa4dd5afe228726100a41567e02219e6521501f5d66fbef97ce6027e4d7428b8dfec6111253ba0dc12f31a69fd454b3422975949ad2ba99388fa2242af1b",
    "signer": "0x954730Ecdb1Cf41317fFDEBF940566a9908b08A2",
    "userId": "77288"
  }
}