{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782701593",
    "entityType": "User",
    "nonce": "0x917fa3b9bfb6d459013f64be2938b42691352c35a1a77af09078fe42077ba3e2",
    "signature": "0x4de45a5f8c40f90fef57dea749c9b5aaf1893650a3acaf919017ca3367afed1566611b8b80d72be4169ec93f89863cc98c37106bb1fb3de6d4b8d9b77e74ccf81b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}