{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103007",
    "entityType": "User",
    "nonce": "0xbc195270ad562fdfb1f3d8facb9d861040281c0f453303faea5368284f4c23db",
    "signature": "0xb73b473814e5f0b7ebb2580fbe8310213ebbcd887ab6a2157e0b1d939c0f34144d8da5355b6429de17211df0a2c3258f537563e05ae2ed1203419e3d3d52a32c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}