{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x28e46bc46e90abdc28a340be53e79ce56598bfe0cfc92a605744548f09c8fbd2",
    "signature": "0x316a4f82d4fd4db83f1ff4bf933989502fc4a54f4f7642b5e546fdecdfaf8b82036fa50f06699550b3cd6187a777f37303651ecf2e7580d2cdec55ac95161cac1c",
    "signer": "0x380Fe18384267CA159c9Db6737B959099be2a515",
    "userId": "381292764"
  }
}