{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116272245",
    "entityType": "User",
    "nonce": "0xcc73480c43404239a7e05d42c6438fedf0185f0c422e41f6e6cc02e9c4f57ab8",
    "signature": "0x4399bbc6dc16b604fe1b300476f33875b1882457911916d0668f0066bd2589290ca28820034b57d8b3a40acdb188f775019a08b1aaf50ead3a0938f14c45f5551b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}