{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xeaecd5e6491e1b04c1f8e95af02f0a7da25805f5aa74c8165806fbc8f5bcb332",
    "signature": "0xdcb2f455f58e291534aa615e4205c17440eccca84ec7a1d01d7ede1cf200a05e057ba943c999dc19b47becc9ed510105bd60ed91356f9aa0608c8bc1238116a41b",
    "signer": "0xA1E32E21E41134EF1De914bA5908FcAeFE1e0709",
    "userId": "692620803"
  }
}