{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53506",
    "entityType": "User",
    "nonce": "0x4b395ca6540240b83e919e4503fd02af1de12c336812c4046561af3e35a2182a",
    "signature": "0x8ad8b32d6231b98a74082844d00e32d078087721143978bd4bd754d838b319e10364ab26e77900a0acfe1a9bf4e8c9cdbad14ebf7c025c7988d47ff77969482b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}