{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xd0e1d6b8a90084b8c8263f69511e2694b68d7128179618e7c5c5f95157f3f2fa",
    "signature": "0xbc8cfd7d2114e194e8482f43727dce4cd2847ba2754dc58767e6c143355a6ba42ba75ed1ff7c37f3d9391d5008b83af7684d3c4b4a0ac6efd84f519b3b87b21e1c",
    "signer": "0x600ab5340CbcEdF27914F7784164758a7e1eaBF0",
    "userId": "307479286"
  }
}