{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104005",
    "entityType": "User",
    "nonce": "0x5a5875dc3cfb6553ff46a6fb95c9b00fda362bb40a185618863b7801fba00a5f",
    "signature": "0x106b23f69b49de590a1759ce30f4a3d517889497845806f681914f6f32b8c3d435b9b915a1a4e5fce7095f619092d96e7104946be2a2dca97ea6665a5d7501a51b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}