{
  "manageEntity": {
    "action": "Delete",
    "entityId": "157505653",
    "entityType": "Track",
    "nonce": "0x3eb348a3d291928d6a9445784a4e2a89bfefe16131fa769d10e3a83ac2468740",
    "signature": "0x5e5a5ae73944b1baede2509fc518a08aefd042ddb3647d27a6a65d7bda193aee1b440b40213868d15c8cf014eda7c9b4fcd04610b63cbb48addddfd85a7f31f21c",
    "signer": "0xf3BcA53FBA265774b7d4cd806361400e3c5F3526",
    "userId": "716430369"
  }
}