{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xabf7aeed543c5c447b4e04e530a35c6ad9e07d7111686733628080119b31d9f4",
    "signature": "0xa43780aaebb2101a4b42ab49f5709bf2cd77de151ef4e3f5787313edb71e11eb141e50732043804cd50b890e05ac8be5b19f657110ec64e8729ae48cbcccc8411b",
    "signer": "0x220e20a4d7dE27e26a3ddECa10269BEc7c3094bD",
    "userId": "567899841"
  }
}