{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885732",
    "entityType": "User",
    "nonce": "0x59b46d570258568fed7378a08aa56ec77f14d7015f2b0e7169a5f9e6cdb7f4e8",
    "signature": "0xb3f5591fe95bd31ca0695d929f4a2a4d8a10842bd4a71d8cfcc63059fd93ed3002a9d055c2605a7f6a4abbbe3489dc1d2200bfeab2c975aefee40151d7e3a6281b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}