{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x65c33b7e4124a5906ff59d76925cb330d27f8b97574355bb2c60fbb31dce1994",
    "signature": "0x141c61f2b9c5c514d5a2439d880caa573e94bdb61326dbf26c3aa41346ca45c246f2d0d88d5779f57e0fc83d5ec3d70c318d44faf2f3126249cf50b978f9c4f41b",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}