{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77365",
    "entityType": "User",
    "nonce": "0xbeab0490330228f714c8a464f72986e2660a1a5231272483cc15ebf8b4c554fb",
    "signature": "0x5fcd079ea2274cf5c1a1a489a30e85dc0cbe2dc63f4d2c6d2d878a19b9c923af02b659eb9b643cab36c325f082941d00fd3354bce1c5967bb9296a05d4a507111b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}