{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144008",
    "entityType": "User",
    "nonce": "0xbe32e5ba23b7afe310b61eab2f6e0ee759fb4cd017113e4a528fbbeb1e9a2285",
    "signature": "0x048ca265eb607ffd12d920997c704340158ef1867f00d6d9ecfe284ec1a57bd42dfa7da4da0d35cbe5cd370bfa68439c5f86bc5830f85cef793974cd06b328f01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}