{
  "manageEntity": {
    "action": "Update",
    "entityId": "765957572",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb7c6d167b3a7e92f7f5974812091ba5ae1958ff97124f2d09ead6d9d1db604fa",
    "signature": "0x1e2af92dc08567c7ed66581c63538ca4a90956d85f692a1e0fec38bbbf84db3513e2632c5543b02b7539f7a637087e41dc0b0440bb95d51df490a6270670a5a51c",
    "signer": "0x7289Df7B0b4193E11a867d13571EFd39A24cc69E",
    "userId": "765957572"
  }
}