{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xaab63827b9406e02647b81f1facdcd927238138b87793bbb622e6f4bb4f57f2f",
    "signature": "0xa4fbc1ed4709e16a9f394223f1c43b1b7df764f7fa2f0ba225f5652aecbe5a9d2683e815da7c5d45aa6cfa62c3e325e4c35d694ed58055da880700b117b7a8a91b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}