{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53703",
    "entityType": "User",
    "nonce": "0xe6ab3008f18dbfa42d86609253ca56dce069c474ebf6cdc4e9de92130a4a746b",
    "signature": "0xadcdd98d51485e5ac4f0bb8540ae5864f7bc3f0096770e558d5e87258b63d38b3d6f157c0e0ac9e365c7e0ae65f248dd0d7643a9ba9f5828b3784cc03f6f228b1b",
    "signer": "0x5aABF607817cf3cD4d866cc396132C82164f784F",
    "userId": "464183022"
  }
}