{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188336",
    "entityType": "User",
    "nonce": "0x6131bcb2b62f0e75338b7df1c886a87257d6a6b21858e5b16b294ab5c8c561af",
    "signature": "0x630876c87b73d49632ae39522ae854ca29e7c2786b7b1f296c3347f6ec50c22159fbb8586217caa7a269e3474dd536e65d62442f204eef5546bf4516066fb1911c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}