{
  "manageEntity": {
    "action": "Update",
    "entityId": "73361574",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe81e413992d7e5b05a73c19aac95a392a387d6145eb47b5665b60ffcd430f390",
    "signature": "0xb5f50a22213567e375a27966ac8a65ac9e2bb64110af86599a492e1938b6225464849670621c7397cd159ea4a2979e5532a1ec4282dce72174c7b5cfae05043f1b",
    "signer": "0x496Fd48839a14aAa9F2cAA368f5d2759f2a371C5",
    "userId": "73361574"
  }
}