{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6196",
    "entityType": "User",
    "nonce": "0x3fb55082ec9285743aaba1da099d9830cfaf3b33b09ec75cc7f2f8a50ccb2be1",
    "signature": "0x67554e9588e1523d8327a9022408a857fa1e4faca5aa262c06889fcbde58a31e4ba06341bedc7a0f060333dd80bd492b843fa0033f05ea2747bfd9bea9ca61021c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}