{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12800",
    "entityType": "User",
    "nonce": "0x785b73f31722d20c6cc465eb930bf89bd4afa542b4b0000614761010df3c52b8",
    "signature": "0xab00dffad99e17e02ff692976278ef226c8c5f4b060759fd011775294b7e65557f117763e82acef5b5c0f005ce5f3627d46b5cbd04b7116102672f3cff54e4b51c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}