{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17341",
    "entityType": "User",
    "nonce": "0x2e960ff5adccd3d684ed6e538d5aca7d0be5721b0b27fd70f020e942a3da8526",
    "signature": "0x615102bbec0e013c46ab9aaadda71908d89f1e53e86c1ca2d637f76911bdc47e1fd1b51fc642da1e0f5857395659b690068700f75927fd3aad0cc4952fec5d841c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}