{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4948203b2cec7ad8a281d878c553cfbc647e44cabb50d3a36571df0370d3eaf1",
    "signature": "0x3b86977429efaa18e7f0d4df5ed07cfe22f55972d65174470e0abf24dd0768626badf9bd1dfe25483a46178e3155564159984cea95869dc5563fe0c3d6c91e931b",
    "signer": "0x8558436301276E3C24E450295d689FF36F1d88A6",
    "userId": "788879262"
  }
}