{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1189",
    "entityType": "User",
    "nonce": "0xeefa4c9811c99743e256bc8dbfd90e2a2c997e54ff9f02087acbf1555e14d12d",
    "signature": "0xe9487b86a6f7ac662dec123bcfe9f4065c9cc7e7cecf1831a2a439d9177d3495252d8e46f8c938702f60667d057ca12612dbaed84a8e0329a980b6cd168dc0da1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}