{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190351",
    "entityType": "User",
    "nonce": "0x947bc8f033be161f8eac0d3d2dfc2afac3133d3a15bfe01fa29d09092e01ea85",
    "signature": "0x14ab5bbd11f41f21ebd81792328ea36a68879db822751c1fda524813b0bd59b43dbfa228787fc9bda1224ef4896a834f7ec47531ddeb18436bf7f69bffceb4021b",
    "signer": "0x9a823e89F23833ebA1E56815dFa76075018b62BC",
    "userId": "920573113"
  }
}