{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0xdbe6fdba6c7b14dc42f6ed9dd5b556320740be6bd578abc8992474694d0971ba",
    "signature": "0x365d21e92e353e922f5f3ca02b7a35243909f55221b67c930f8a0d7435dce2bc144345d7088e6c4150d9bf9ab2fc929099b0eafcf4db049f969d6a2c47d4a9271c",
    "signer": "0xf76Be3e57D30ebb176cA7D31f49157c7f56E6b0D",
    "userId": "204302128"
  }
}