{
  "manageEntity": {
    "action": "Update",
    "entityId": "61784393",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd3d3514d679085ec99c50f8500b255cb9b36fedec6bd920e8f9409bbcd3a70a5",
    "signature": "0xb474081cf2e42d218100e481a015eddc8d379a9d5394794725963e6c80158ccb6bb1a16d7e5549b958e3c5762763efa6b1bb7cc43730899d9198c2530f5c24711b",
    "signer": "0x8723f4444838195bf57783CEEB5779429AAf83D4",
    "userId": "61784393"
  }
}