{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "772682384",
    "entityType": "User",
    "nonce": "0xdfa98a2a9495963d0bb51947e5dd74f9e27891c84052b089373334f02dd5a7d7",
    "signature": "0x9073f5d8e01502ab8306e4bd0b627f1f2751c30acb3bf260985dd932e52f25cd08ac878bc6ca9a03b282b2bae0077ae0ec718d266664b0b10fb8a496dbe386b81c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}