{
  "manageEntity": {
    "action": "Delete",
    "entityId": "100638862",
    "entityType": "Track",
    "nonce": "0x77ebba74753dfd0ac9998a5314bf598843effd02791c2c669191ff89f181e5ed",
    "signature": "0xd5304fc84b1825d66b3fdb7606df46804e559384dfae385caaa28f8183c5c27b2468333ada310e1182821ab0fb81a0aca2b2c8a5d5f4ae868ec431132c98bb131b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}