{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x71c7bfe87b4354c6a6557523bcb16aff0a61be1b1d0c5050817024fad5640d16",
    "signature": "0x16090fd2517fb56cb9ccb56dc5970ba258fc47d75b1c7a2eec8137108625ef83208e49c292bc227583740481a117e14799e24584eb2c4c1a56a5d70c209ede351b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}