{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0xc741677f085945158d5763386ba0e107b23b6618710e0f61dd7578b241e53c39",
    "signature": "0xcecf5a287c7c88e3b8354b2c0b5b65fbae14a8eafa32a15344088b1d9f5181d66c92ec9b3c7b3642b84a9d037c979f85f99a6747066b160e1406505579ff2faa1b",
    "signer": "0x36C09a4c4AeD822C1Dcc84027B6222FDf0C9429B",
    "userId": "73610"
  }
}