{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129104",
    "entityType": "User",
    "nonce": "0x6c48555a865fde4aa9d4a796a2e1fe86db34d107b969d2add990e3994534c1bb",
    "signature": "0x12418a314195da09d23153f70b5fc13ef8880dfa251357c00f149078040ecfef1cd564351bcb88a9df6d8e8ed77fa6a4dfe76fcc33db4f9cb5bddac389bf3dec1b",
    "signer": "0x91c1cB8b04749B3830411c3517704c393ecB16e3",
    "userId": "289388272"
  }
}