{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322258",
    "entityType": "User",
    "nonce": "0xbc5add093a8930a328e54ec9d1c0bd4246307f8ec82799405b13ed3c6c029102",
    "signature": "0x42811aa67e7bf9aae5eefb2696f6df90064575e1fd8b42df36565c6c233f13132d047af3ed83a28086df1a510db04f695cc19ee1fcb04313eb0255fc160e5a101c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}