{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "229724",
    "entityType": "User",
    "nonce": "0x68409753ad1fbba377bc7e7c2efa77d3ab58f369228ddf896b6736b20394286c",
    "signature": "0xfcb3a460e5e0b65f2a3beffd650670cd5b3a3e4c23d669aa97c2d26bff365b8e0e039348bf81224c318d3bf8f542deca0e8cf02321dc63eac76fb7472a0de56c1b",
    "signer": "0xC24bF1b9beef42229F5912045FCb2DBccb0C68FA",
    "userId": "129733318"
  }
}