{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223261807",
    "entityType": "User",
    "nonce": "0x9e7d650320e420e673c22dd4aa60b531daff7ce83e24976fb557b568a5556a11",
    "signature": "0x1f9df4dcd64b6ec48d7af3a2d8935372f5d2f923143f32b6250535ea1c12d91918495a3a7aeb96b62b6f628b3cafccad73511a32ef98b0a0b9559d2683461ab71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}