{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0x785e40ce2946e1819b14a96805f41480a38e6ba0b3e52ab49fb31c8bda1c8c30",
    "signature": "0x82673fdfb3b8ee6bc81b6ddd280abcd00769576ce37604455e8d3a6cecfaa6a111425fdad42d1cdf18dc85e6821216fd94b22ec755855ab5f0eea3781bf33d411b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}