{
  "manageEntity": {
    "action": "Update",
    "entityId": "366953361",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0e3893aea57387a609c80e89d3efb6dca4ff03e5d4b74691c100e0c8502fccbe",
    "signature": "0x6e976571d4f1f8239fb0b15ffc1df0adbec8b3c90e512cf42e4288a9a665aa0561b7b4be929846bff973add4d2280989fde51e5cc81762000649cf8b4fcd729f1c",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}