{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195587496",
    "entityType": "User",
    "nonce": "0xf23b40f63df25be2cb02c0a7348ce9c95b1a3364062720d336ab9e68eb28f72c",
    "signature": "0xa6e89fb2519b95e24653aa9debc307228d3b0c9868dc42b58a45bb31e689ad7958331aae7970985cb5c8f9a47ad79d560d6aeeeef8cef492cd01dc6f1f370b981b",
    "signer": "0xcd864e8A0A043bf1B2DA4106C35c1daF234468a5",
    "userId": "784246910"
  }
}