{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "990836999",
    "entityType": "User",
    "nonce": "0xe92b8787989a0682cbab9a1c7ee04880c65acba69f2e5b40b33ec9d929843a6a",
    "signature": "0x93aaa047c52bbad487bf009fef6abffdd940d57e863dc91c629cbc36aa94c5e86e659420d3fd97c0aeee8e33494cef2952d7dcb93c943eb5fe9104353aea92291c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}