{
  "manageEntity": {
    "action": "Create",
    "entityId": "656359487",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierac4mqjvflhaxjamrw7libyptr3mqfpvitv2j55txc3gbzdgz5xm6q\",\"data\":{\"handle\":\"track3\",\"events\":{\"is_mobile_user\":true},\"location\":\"Incheon\",\"name\":\"track3\",\"wallet\":\"0x1aec96de9cb4F2b3f49297164e87635590B1BbdB\"}}",
    "nonce": "0xfb100b805beb2a4d34a4815bd278fe2d20ef85217b929cd3db72accd11f601af",
    "signature": "0xec2e776f649701c1da0938f2e1060ed23691c91442be38ca5fe346ca7b3a10d6078dac7b44c30715883a74db4b0adebe0c6905d62a8c5dd82e23c5787183c4e21c",
    "signer": "0x1aec96de9cb4F2b3f49297164e87635590B1BbdB",
    "userId": "656359487"
  }
}