{
  "manageEntity": {
    "action": "Update",
    "entityId": "908896153",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xba6dfa6edc30c042f7ea8cb297449cf27e0a0b97b135c60c35536194e9cca17e",
    "signature": "0x5c603ee71f544b8c64d170a4f3ba66f97bfc74c405fc5a5a1c7205325c3af58d20d2e8ea71a70619744e2b36e631a02ace92f460ae723b6ddb5881448cc3ba5c1c",
    "signer": "0x2Edf46ADa8E59c3B9773BD314ee3E6Cc6CCD4252",
    "userId": "908896153"
  }
}