{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "702391481",
    "entityType": "User",
    "nonce": "0xb8eda185b2504bf7fc5890ea334bdc375f41897b3b171c154ec90eb5c9aee616",
    "signature": "0xfe59d661808a77a37af9ca824452232566efe3fe0d83cab6674aa260e0acf2e771f70abf5de584bd07e4189b22c8131ba03fd281b86898274572130c2443dd161c",
    "signer": "0x6409f2D99228Fee0405Ccf5572802befaCd890f2",
    "userId": "43754840"
  }
}