{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0xba1f046fb16d30f2f4c17446db7f564c610e0d3bd0f8406ce6f44cb56dfd3347",
    "signature": "0xae8e9102e04f92ec75505619b95e4e0f19b50e8cefa24557a398d80e849b18af044a830d9dbd8f96ee20f6252524eb656263bacedb0e2fd2e37f425f47c7e81a1b",
    "signer": "0x5B4a8594975f00b3278cA5447Ea60256718E7BB3",
    "userId": "302311"
  }
}