{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x3408dfdd360492fcbfafd9075621026c097c195897d46e08f7e5216456b7a043",
    "signature": "0x8afff21f67c35307f95b3fd6dde90eef6bd1e65746e613f2cbfed05d822eb18e73e59163ae31a6d3177ca50387a30604dcef603b43acfe187e3124d39483f8661b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}