{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196632465",
    "entityType": "User",
    "nonce": "0x85a0750dc639c050c277e735c760488f13bd92c3a6ec1778462eb00bd62127de",
    "signature": "0xd36aa12dd19e4fcbbe3cc33ba8b5e053533f959c1e51c06c0f7703c4b2c1d09b59a86875abb342c6814e0f0aefe9d2afef86e10f1c9edc0ef8f8a3897af46e441b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}