{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "257534016",
    "entityType": "User",
    "nonce": "0xf329db4740b03914f33c0e4824b170d10787b9985cd951954e727cf4c5331d82",
    "signature": "0x96ecc2eb2ac0d83ea0718f45395075a51595911a41b5c0671dfda0470036e4bf2dee50e7bd808751dd47da61d13b1aa7b659c1734f6b172912ab09992834bfde1c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}