{
  "manageEntity": {
    "action": "Create",
    "entityId": "400923052",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxlnims7ypxujc2egjxunna6hvphsacs7dcagulsaoumofqfzwoma\",\"data\":{\"handle\":\"Mercury_a\",\"events\":{\"is_mobile_user\":true},\"location\":\"Gifu\",\"name\":\"Merc\",\"wallet\":\"0x1b8DcAD5ED837233989D4f246852f5aAdf1f61eA\"}}",
    "nonce": "0x28b86cc96679e4856be9cdd7fafd358571e0fb65d76996d299dd8a52da04d133",
    "signature": "0xfe16fabcd1376238d18ce011960f9f77b18d28b10a90d615792a62a71c284c337154d8dcf6d16df1f7bce1e9db7855c72dd6997ebf515f2741b8f9df221443371b",
    "signer": "0x1b8DcAD5ED837233989D4f246852f5aAdf1f61eA",
    "userId": "400923052"
  }
}