{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196147",
    "entityType": "User",
    "nonce": "0x63a8e36aee22b16dcddbdd4335ca0dc36f86c5459fccaebe206a188964918926",
    "signature": "0x288b17d2f695b6d6afa2df9870826df2304989ea01958cb30b2a3e1417aea66f2c5e50e33b4ce4916da71dffb32505eb55b250f448bec142a9b6030c63a940cb1b",
    "signer": "0x9Be01df22F1340b40F206a612998292e2e88166f",
    "userId": "236739171"
  }
}