{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5562",
    "entityType": "User",
    "nonce": "0xbcadd0e4f77b483978a5dd2a090bc67434a31712596497b43beacf665c57aea4",
    "signature": "0x7f907b9000f7e304b295fb4ea5f9e4a1b3250fd87056dbe172ebd1570b2ff9324fec6876e53de175e81868bf0c944280b72e307b89e0476d7e8533040642904f1b",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}