{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51537",
    "entityType": "User",
    "nonce": "0x923a0a0b721e4f647aca0fe013f0e524404259d0a8254a00de5f610b36b030b5",
    "signature": "0xd0474d1030307e2aa9401a68638225cf7b061e133c905b029699441b6e17070551b4ecbf66f6f78a3b14ac498dad1da726416bc145039313eb6de46e65d550601c",
    "signer": "0x77716b11b242ACc386023E99B7e647CaCCcbb8b6",
    "userId": "126786"
  }
}