{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x7068075e5293a067f87c997fbac2e88828f13711660864570655162b528487b4",
    "signature": "0xa1d768b34303bff377ec22878a91959c0cd6b3333f4049b6ed9d79dd4a9bf4ec1b7b4ca60a967d4e0100a8610d5e63ab47da3e8e9bcc0ba7938a8f2f859278e51c",
    "signer": "0x38c65d779554649264FD5A23B412Dd6237e675c2",
    "userId": "839739705"
  }
}