{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381286",
    "entityType": "User",
    "nonce": "0x7afb0aab844f8d163432fc8ae7661f78938f07cd9026bb48218f39fe38a1ef00",
    "signature": "0xc10cecf54f2f7b15711aa9f23ca892921571c5a0ab69d812ae0aabb65717b7410c293372bbe5abfccf86ea7fc4aef0e3c9be1b2b2f52a8ae126ebab5137a65be1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}