{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "926822020",
    "entityType": "User",
    "nonce": "0xbdd928b4c91e4d09a226085606d0dc3324ef05c050b3cc98fb88650e12f4b06e",
    "signature": "0xc4212363190f0db00f9b7fb575ffac34de8342d12ef258f581770efb3a2330be678f351ef4cc7e4b356068ecbbe25bb3fca43b4e0ac687dc772820341607d1801c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}