{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4b92d2091415be0914e1a7a3ab7852b63310e19b32ad52a638980a9b8c155ed2",
    "signature": "0x4e7cb9caa715757250f5f74bf976a1033369c30d28aa85607e18424f8c9fb43a3b6107dfea2c44bb3218cc29a4c1ff99703f12f719c50750d919d99e2516e4f91b",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}