{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0b70356da41db7f02a59ce808b89e4af8c06d462c069206b6fb3f6692d4dff29",
    "signature": "0xbdd2bf67fdeb0c9bbf7192fdc9f7470da27601b942246176661a3c006fcecb405cf2ddc325e17ac9f9e8d509ce62b43261abc915fa5f2ec71b8dfb73cc1f21fd1c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}