{
  "manageEntity": {
    "action": "Update",
    "entityId": "134445366",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierauszqc5gecghpiidw535t2hdzcmz76picxbuyxx6c3dzuhog5ddjq\",\"data\":{\"name\":\"WS1216\",\"handle\":\"WS1216\",\"location\":\"Tokyo\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd1a72445a010b1ea5ec5720388d9ec2815d398a118be655979b772a043246fe8",
    "signature": "0x7b649dd6977df5f015fdb4c7445e89933b3b4f524cb17c4a3a89f945cd5144ff3f90258e3ef6ff7d87f861a5fb338280a1c9a20b7ecc8a5b7735f6f836f2a6c11c",
    "signer": "0x967c77E6BD1aAb5DA9348e9EA3b6246cCfBEF68e",
    "userId": "134445366"
  }
}