{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132289",
    "entityType": "User",
    "nonce": "0xa5b5ad64aa3553b3475c763a0b766cc59b85d4f8c4031872ac407b34f427ba22",
    "signature": "0xb887a16e8d6c7e6b259e33dae66831d7475c097be01f83cc8a916dec868ecbf25a0c8a03da6af7a94b77da028169c6f5814fe94d2e2ef83602928ff77333e1251c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}