{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "198082",
    "entityType": "User",
    "nonce": "0x2eab86a6f216ac9fe81cebed0520f9772e5b8883187b2cc65bf61d62ec8bd249",
    "signature": "0x846cc84f158ea4ac1d637cbdc387673aa92a4aac5c0ae2c8bfb688a6f689e9221c15d269caf3758b20a1e823605c21cb10e618aa8b9dc6846ba5f01f601592891c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}