{
  "manageEntity": {
    "action": "Update",
    "entityId": "708281325",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5324b2541426b8b57599eacf464f6b4b198b1adb9f72e421f45f150782447ca7",
    "signature": "0xe117ef2b8c3009b167cedf49206d063cba852cb6e7ee5cd05cf5eb44a07f8bae789e29f2145a2dbdc96ff9159963f69f7f2da1077af77aa21343f8b4cc9cd2501c",
    "signer": "0x95039C5e9fA958bCe7C8bD76e20eb23F4E531e54",
    "userId": "708281325"
  }
}