{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217588",
    "entityType": "User",
    "nonce": "0xfcf44fbbdea33c1581f0db6c717b8a88950e960c71de7e7c030f4ac1fe773d24",
    "signature": "0x8c9460a3fdc03cf75d2423c599326b819e96cc6e513631a8fb3c6fc54f1cc4fa571d24086474ce9810ef781920e4dbd249e72ff5a98e2c51cf6cdaf4a35ca87f1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}