{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "533272944",
    "entityType": "User",
    "nonce": "0x8ea0cba9c247eae3d56cae3d8e31a1d4ae5ffdcbffc6e52cb1b0074ddd20994a",
    "signature": "0x2081aa8ece8ebc12d971de9209de7b2412eb4b1beeaae454b629ea8d7c6f59c712a1e6e9da459ccaea61c7ef012d8c42b79a73c2e0878bb2fbc77562c918ad211c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}