{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18115",
    "entityType": "User",
    "nonce": "0x3c0539cff7c3586ac392059e7b1e799abfb83531076d5283fb4a4f5c9684f6be",
    "signature": "0x01df00ea7bb836998e048c6b993078450965ee636f161b73af6f787184ff89411e4a5ff5a50684987823e90927450f882ae2921765a9ef7ad0fd547ac07dfdb71c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}