{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x038a6a83f65ce166dccd372b483b99ba81fbbfc92267a37f57a2fd51c02ac973",
    "signature": "0xf595ce0069cb499a79357e3fa3d380f3e8c7034163bea799705b9a337a1dfa9c0e18b359909ec625c0e0268c6f1a2e14a79f17462c664611b2d73c74d38c91be1b",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}