{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "897648338",
    "entityType": "User",
    "nonce": "0xe39e5b2f8e0186d08c8e1f138cf591980437f59b44acd163927f9c15b38c239c",
    "signature": "0x12a34389c70abb2c8fcd958862f55f378afe761d7f89bbd799fbe4fa32c69b1468729ac9d30a5191936453f28a9feebd605f7d2f1ab4b0d06c1816c103e25bfb1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}