{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80775",
    "entityType": "User",
    "nonce": "0x00dc988aae40715a90d6f0b3133af9051f65774b4cb0d5b3e093d515bec18daa",
    "signature": "0xf5e8c1202b6e7da8324697e103420870d59e81140b1e67f9e7ed31863a0015ea3d1cc86ab9e5117a5a8fd764b9b8117990375c10bbc5ba3724d0fff0a4013c681b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}