{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62781",
    "entityType": "User",
    "nonce": "0x4958197177f684b408769a83b592e1d504076081f22beef74fac26172356f7b9",
    "signature": "0x19f378a6bb29fae412276a94398008de34a7d699fda307d8002d4ebbe0bbdce80755b71e4e92fe32be9d93b591d44deac837da197420d42f14bd80c7e74b25f41b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}