{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382456",
    "entityType": "User",
    "nonce": "0xab5b87766304d4827494cff3b20047f0555db6ac7fb802791bb44e33a6fd6b95",
    "signature": "0x450adcf908c96d7b8631ca4b42ab85f527beb1722f70c6a47e2a2c14918faff36004faf966b8412cec12f8d3c29157e3b38e0a4809d07f4f5374bdf9988de3791c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}