{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188784",
    "entityType": "User",
    "nonce": "0x124afaf7265f02e3996f387dbb9ad6959327ce101fc479f6ec2ed04f75ab82f4",
    "signature": "0xfff04e56a73ff0523e955ec6e9df489864db61a43d2bd90887e6b67989217787266974f68e3d8d3da845270dc025f8a93e717bafa34d6c7f543f18138cd118181b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}