{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153924",
    "entityType": "User",
    "nonce": "0xe0175feac65547740c0e77993c03479a99a7b0dafe1f7f3fa9ba05fd7ff58898",
    "signature": "0xf86286203394d12df74b4417ee3c7fb69561700e13cd570fe8f69d599cb2ed185991ec948120167e2afee11a25347cd5928944065b5e8345d671f9ba48665c061c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}