{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xd48d97f01254698f74b87a3254d81d99e2b265a775340775bad48bc5414501b0",
    "signature": "0x97213e5d2dfc83fb2f9c497eee1ae05cb32f0d74061b7fc59087f1abf727f56a1fd376adbbe8888a9efa7863a845410e91fa8fe59f2dc8f3f38fd041d74456541c",
    "signer": "0x5D4848bCf5c4abA1a0Fdf2B61408c9e4288aDb0E",
    "userId": "305415280"
  }
}