{
  "manageEntity": {
    "action": "Delete",
    "entityId": "221270972",
    "entityType": "Track",
    "nonce": "0x2fc7778242e5308567099da205ffda8915f292077169aba4486645dda4377e66",
    "signature": "0x7764d3beb5c9f061569366f2ebd161a383b1016fbcda08c20ab8e856cb2830956bfa261f5a15c8c23a7d7580208752ed72dfc27f0536251ca2c169a9f985ff1f1b",
    "signer": "0x5Abf3B7d29DACD37B45a085DF26fE3c0496BD359",
    "userId": "765540152"
  }
}