{
  "manageEntity": {
    "action": "Create",
    "entityId": "189375294",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraderufumcdq4eav53wzcndkiyik6ux2joe3ql7xyatz6sagq2izja\",\"data\":{\"handle\":\"UFC\",\"events\":{\"is_mobile_user\":true},\"location\":\"Eunpyeong-gu\",\"name\":\"UFC\",\"wallet\":\"0xe73aaAF4Ef37B1326a89C9Bd10a24f28F66ab656\"}}",
    "nonce": "0xa3c442c26de09715142d9341b6e3de20ae062900988b72edcb550307ffc12fab",
    "signature": "0x2efe1063b97e5d514d21ad50f1e3abe49fa797f9fef0f6027846d63d9a5e447e45553ed8bccbe14f2c4a9bb6febac7d4970617cf6fe21d2f3a23239a7d85b3a81b",
    "signer": "0xe73aaAF4Ef37B1326a89C9Bd10a24f28F66ab656",
    "userId": "189375294"
  }
}