{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33896318",
    "entityType": "User",
    "nonce": "0x443669ee90112aaa427db104e8377363c05d33d56e78a6c23059e1ee4acdc1cd",
    "signature": "0x3271095ed24e78d906994a0fba479fb2ab66d57ed5e36b88114acb25f50b2fca43720c1aaa4b606fcb10dcff2dd074d931bf956bfb27858c0baa5d523bd11a841c",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}