{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10318205",
    "entityType": "User",
    "nonce": "0xe0c5fd4689d547ce19e9b09ba0ace8796b0b4ad91b64e0cbc72293a30a748bde",
    "signature": "0x2b76e957f8163715b691f1a195f8ebfce8de7ee6a97c377215ab1d205fee585e34d3ac4b5cef344be6f6dcc9263d84c2cb109f94a2803db3e649322378ae96541c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}