{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0x5d4426cf6f6eb53805550b42adfd1ff5df66273421dbad7d74cfe9b531a31fc2",
    "signature": "0x84dda104e9923fd3faceeee5381d2072cfc775032f817565c9f05b4df3e60df26be3b18fd3c41a7886c53bcf8e389d666bf5004bd99a24964451c0cea3c0f9101c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}