{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "400171089",
    "entityType": "User",
    "nonce": "0xd1f771bb8ca6cf564eb9eb949d6130821260536d0e0aa625cbaf18eaf4dcf348",
    "signature": "0x1511f1eb10e7a984293b4a7427a6da0d7bd2510ade57e17f4a8c42a9ff0d9fa06f5b17712dd62aac41528140b46f13745b62df0672d47b0bf5fbb6f3216da6fc1c",
    "signer": "0x0E1419Aff1544Dde5c4eebbCfA208Df83ACdE40A",
    "userId": "564626302"
  }
}