{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62735",
    "entityType": "User",
    "nonce": "0x764a15970ce84557eced1e765b57b3c15dfce79d84152894a3274e280a33b00a",
    "signature": "0x9cc15b873eb08ea52148da76a7047bb87e2b521f5ddd82889628a3b62fed74bb263ddf59dbbf725d32bf7461bd55fc9808d533d3b7e5a32649544022339ceec11b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}