{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x298644894df30e4cc871dc8e440a261fee58629e444e04c0525f0ad4a3daa2d0",
    "signature": "0x780aa5ef123e5feee49ccefc8125a539ca86d352349be1a44aab9bdc3d695409567f806c823829858751fde528def943ab7c02415c77ca9c9216223c1b51e4301c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}