{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332665",
    "entityType": "User",
    "nonce": "0x61faa472221c5aa0685dc37a5c36c6b613ec5fb5a29726f0d0983685fe73c95d",
    "signature": "0xdcaa7c15853ec5c8a2491e0697788b0192fdc66f68be2c632b3e4b0849bf876d340d2d69b8368672134eeff7aad8760c83e7136bcc4c9b16aa87a0c171c1f9341c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}