{
  "manageEntity": {
    "action": "Update",
    "entityId": "167094944",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xee6e6a909a4bc573816f535f6b6e95e172340b7d506feff0aadcb4cb588cc9bb",
    "signature": "0x9e71b324d940593f2475b9d5ec73fa08040a037ba7f5a565820c0b8b519d97fd33b65771054f1a2454d9aa11287e0008b35b4c65558c6af37928c9ffcacce10c1c",
    "signer": "0x7418199cEc104b0743B1B80843a44529347DA19C",
    "userId": "167094944"
  }
}