{
  "manageEntity": {
    "action": "Update",
    "entityId": "368189542",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x367edfda3f118c479136873a22f20bd75b5589394e844f2351244ebd135539f8",
    "signature": "0xbae876be1e0223821dc7524faeec230c611c67fd74b3bba4da4e7b719311ec0b0d58fc8b73ce27dc1a5cdcdd6aee177cd62d9f8979dd459d4e5bb27d6ae2d4fd1c",
    "signer": "0x069e1033eB16ced8C7A80ad1deCa9cEE6EF662E8",
    "userId": "368189542"
  }
}