{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0xcbffd1868c4bc24486a0e82838da802821dca14f2cfd8014b395dcf86c88d21b",
    "signature": "0x3a42875b432b3660398cdc2bebefda845d5c044f81cc9a36f37ba55e8d6e75c73fe5009e8bc82a43609134deb00e4ec3162d50bc5fb307d0af03f837c2c1de5a1c",
    "signer": "0xe193cf7Cee171594a10dE7066Dcb521fCa826762",
    "userId": "140827"
  }
}