{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178055",
    "entityType": "User",
    "nonce": "0xc2b4c584f383638f3bd41512cb08b70de9c91445fe3078d4949c8ace581a981d",
    "signature": "0xd994103c13948d2604689403b2cb908c79e0c0faa460acf8ee7479d69331faa509b6adb59882faa43b3ef1db646022956300cad2db157e78b2b2553601be5e421c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}