{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036451",
    "entityType": "User",
    "nonce": "0xdced6045db2df14c4ce3e5acbf02014aaa5bb5288c87b5b87c34729df9ed00a6",
    "signature": "0x1b52f8cb6a76ccccaf1cbc6912b4c7f5bd277a126c9a011210c6ba1a1b5268455a5ae43cc41d2f6affab0d5e6a395139cada72e25d94d2c5a26a353685fccb2b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}