{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3169",
    "entityType": "User",
    "nonce": "0xe71218b6a29edc15ce8660f1ac37c7c9754a9b07a94261787b389318e7c62054",
    "signature": "0x43153f22c987447e36c1255cc9606345c908980a679c16ebbc73948ef1d2a27a1bafd3054c58cedb8f10457ce4d9f1d978cb2c034df9bf912e0cd956ee8b2dd11c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}