{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xa730fad04856fb7fb2326ab480b6af65a15bb59852587f36339a5f3a6913dfe6",
    "signature": "0xd9947b672a5a5a7fb1cd799e7f60765e4bc86ec8baedd0ee3ec2c3d1a75465282d5fd01af123a7af03a51dd1238de319cb921b7dffbc37d34eaebfd8e0db7a621c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}