{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65732",
    "entityType": "User",
    "nonce": "0x2788c8b11ff244e98a69e7fe94a39ebf0a2fe984b4271ec21d695e54a01ad606",
    "signature": "0x9c3bbb06ea7aecf9521898a8367cc3309ca4c8ac9be3f31084fe46fcd7e97cbc57e24b1486db1e358eed30795b8ff4a165b8b6f0d5fca6017e4f625fad0c17ec1c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}