{
  "manageEntity": {
    "action": "Delete",
    "entityId": "139563737",
    "entityType": "Track",
    "nonce": "0x14ee07be46c4d631aeef011084cc9b73a4e75ee03006739df2154e26598d030c",
    "signature": "0x59bd7797e0c2c55594c966af7fef7ee0e4f06f74e03f01392f96fc97b7b2d28a5542f2f7f18ca94f869dbf683a8ffd6400c5779ff19e79121092cc90e23b1e601b",
    "signer": "0xe39362E50657Aa28CaD9c25b968cA2C2D8cf5A9C",
    "userId": "874277249"
  }
}