{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228972129",
    "entityType": "User",
    "nonce": "0xcfcc8df120881ab11008d8196a60bba1fe5b8d43c6fe70bb081fcb6eac07ee45",
    "signature": "0xee60f9b60633343290c6821f835e2e200523f2417ce2d0e8979265f8cf1d8b2a066ea2a2b36df662404582a2d0e417beb8bfd10a89a1a9ab5e3e98cbe6e74e7e1b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}