{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "702397",
    "entityType": "User",
    "nonce": "0xcce003d2a25cb590079439375b1dd5eabe52fd5f545610896393acd789c4f3dd",
    "signature": "0x976d40e10767610934fff9296f354dcbaf8ee749eceacaa886909e3f34e85f382d5b65b7ebf7761a91665a791442430e5ef021af80d707b6beeea5102f6143831b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}