{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x42f03fba4074d3ed4be7aed238c10bb11e6e5adbdf0e9b818af70292bf1b8429",
    "signature": "0x584c74e1aec8737255051adad6e4fef9fcf53ecb68f8404b6c6698a3cf10b0c35349d01aeee5ba86fec4ab389630a60376386dca0cda84f592d97c49116f68b61c",
    "signer": "0xE7743A7400A92290CfE93A3de48a3D4A33D9E97b",
    "userId": "802326336"
  }
}