{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "723085841",
    "entityType": "User",
    "nonce": "0xaaf7a5a53186bd645eda2bb83a3554a44d509423212bf60564624b34a1376f68",
    "signature": "0x66cc2d3c68b615234bf30b01a8040e2b6f474ecfb6e11f57aa34d7da47dd37166647b0cdb688936f7a21affd08bbef30c5f50cfb25afb8f43616aaf43c288da81c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}