{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100022",
    "entityType": "User",
    "nonce": "0xfbf653ef9bbe5221fcf97843d60f5157d65b25b0ff58368cfcd482d6a47050c2",
    "signature": "0x09bd33fdb0eda68173ea075ec6f620af6ddff29ab0cbf58bb2d5b19cbd76e741159537f42cf7dc1ba22d5d41d171da9434422cddd9cef4c64e43085341bd70531c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}