{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "429744815",
    "entityType": "User",
    "nonce": "0xaef2e04227e67a81f1b55c7f1d1fbd1348e966b42f5769352f8d6a23967893a8",
    "signature": "0xab86bf9776cfa4d217c4f1e7d0482a880458bd3418e324829b3c8ce0339e06de73b2a10202b915149a5ec8a2e10237c10677bb5677b533ecc6a48ee4e725d9f71c",
    "signer": "0x61aC959C6029A2Cba66cD6B9AD35c9d7120DC52c",
    "userId": "313708333"
  }
}