{
  "manageEntity": {
    "action": "Update",
    "entityId": "774002293",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf36f80b30be9295ac7566de8a66faa6ffd9c1d50c77541f1bfe9951187452271",
    "signature": "0x03ad5a966cc045927c8ee7b5b6e4f1ba1ab26839080b549ff26de85fca9cac4510675e7327dff941dbf17569491506b705f2fb8221747d692f50c0f048db994f1c",
    "signer": "0xEa18e4A421681E765a3c05b0dd4425b850bC70ED",
    "userId": "774002293"
  }
}