{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x540cde319a053a561e5c40db326e9548d6b8a6997e3d6444c37cf84dc85a4ba9",
    "signature": "0xe2f38c0e25de29b398f2ff07903b90ab4bbe3f0c4eeed30f1caf5e4792d3a82c55206d252bbbfd751c69c4557d4045befc54187abb95f1b6022b6d8ef5ca5f491c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}