{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299943824",
    "entityType": "User",
    "nonce": "0xac22da0738368e281aa01fda00712b851bcf69ee08be1cac15d35651203d3e8f",
    "signature": "0xa4fdf3804ae082d1a5e0beb69e7796d2a289f888ff35453b7922c3ed228235f93b69ace745138efd93dfe39e529a1fa7d581118a518899c875fd5c17fa0792901c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}