{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0xb48fa8f8350d82a518c9347d9b57688492a94a8a3f60fa5e621ccdda9e6d04ed",
    "signature": "0x3712a911a1ebf224046ea05e5da6bbd5acdf8a7c873cf8714f3dfd68cea4f4a5269abbd6e888f3f599afef746ca06e78dcf43c446c66e55ff103fb7c26c38fb41c",
    "signer": "0x2a14233e1f50922EA23fb817931968707B6A04c0",
    "userId": "727256442"
  }
}