{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16792",
    "entityType": "User",
    "nonce": "0x7e3805bee152be2151e87ffc87f77a101bef6b432d7b903188d13fab287b6c89",
    "signature": "0xe3ba0936ea0c9f163cc83b5b068947bc1478fb8cf7b26269e741a3482532bed832c61b11c2218223cf84c85ecb0533e6048aab62199483f88af018ee938dc84c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}