{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782022954",
    "entityType": "User",
    "nonce": "0x5f3101b86e380f26d5a9f8fe567fc3c3486b4dae93d20c9f198514fca0e1f32a",
    "signature": "0x23d175163511d92d7c8bff84fb422710af464ab039c75efe3e0d5320dc485edf24ec8aed5f4b5a13a56ef795c7decdd607514177b11c255b60c922728489138e1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}