{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "775055",
    "entityType": "User",
    "nonce": "0xb04c5f68d56f6f93ef1f5c4c26b1cdfda153d416971532bfc14ccaf1a1ee9487",
    "signature": "0x593ad3d3096fc70894758edea0368af61c63b0d6b7db56a918f3d75e95fa0ede318815d240fd3151abf2911c1c903c5d45c5d15f1144f157abbe70fff09b766a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}