{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332210",
    "entityType": "User",
    "nonce": "0xb7d23f554aec529988c7535710cb5adab9d28c2b31f217bd0572db4d2d0e41b6",
    "signature": "0x6ff0798c93ced50309406f08d5c94d7a2b2c117c2ca70e0821b0051d2085a39f64505df8c5ec093e2f524d93348b2693bf2e131d2c0bbbbc65dc6b569e4a712f1c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}