{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x06ff3ffca595145f5a580a7be96d88c0679eb0a0a65341f0e1e7cadec2e126fd",
    "signature": "0x5ba7ba60b1e92182e36c1605e972b4a78b19a8a890f460b4634d823042a0396d3cf06012e2eee5c75872d5e1fee04ebb0634cf2ee131a003d20df2693c8829841c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}