{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1936193004",
    "entityType": "Track",
    "nonce": "0xfbf25c7ef87539fa9d96f256b1a703dbd3a962e601b41681922f5a3afc1a00fd",
    "signature": "0xb899d4ad0ccee6f65962904473f5dae11de8f704a35b0acf93fff3eb311bea6e5e5755d25cd73136747dba87ced8d89a53187fb757e66ca4cb0046bb858171e31b",
    "signer": "0x665b57eaA3c9C442D83a55a7FE9Fc63909B178FF",
    "userId": "825801849"
  }
}