{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881446128",
    "entityType": "User",
    "nonce": "0x7f732902a3b7d679554e0ef1bf9836dcbc4fbd6b7204a63818df7889dda85446",
    "signature": "0x0a82d06214a6e68bb218585a2ad003fcaca00700dc53c1bd92c10e8e357d2c2e59be2dbf4920c8627823c5a7eee391d326d0fd6e418a317abf192b625f81d22c1b",
    "signer": "0x0168976438910D2f5330323a0d0141Fb4Af95032",
    "userId": "317847"
  }
}