{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353372364",
    "entityType": "User",
    "nonce": "0xfde719c9f253bb627ec915b06d95d4f9667785f5ca660b4b516fb0bb1e0a0d9c",
    "signature": "0xfea8abbe314caa7a3b138cada6cf71f9751b6697a3ac42111f28f21d89bd89993cfef0d0916a660e128f8844b33e110e570d4781df3943b12ceb495878818dfc1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}