{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0xac9741100dfb3b8fb468becaa70dbcce458355a556f06417886cc167740fb7f8",
    "signature": "0xb6bce4b1f05813d4b21ad2f620f4bef5e3646b290a6aa18d8e97ceb0e2da78dc6a83bd8c40289dbcd457c9b5680e4e7fd9d550f4c8c19d5b42b2a5189318b8d81c",
    "signer": "0x547CD080Cb2B10F1627eb9d1e8c4B98208fb2051",
    "userId": "100735777"
  }
}