{
  "manageEntity": {
    "action": "Update",
    "entityId": "237765871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0b42240b214a4725b93128ca981dbcb70df94fb76d548780ca2384736d5397f2",
    "signature": "0x76ee46855e7012749305a80d55a4bfac5cae1a4d5b08dcd6f18c58040ef15bb4080246bd0fd39e456a3297b9ed8cd816fd1d7972258dc885fe9d9d63ec92d0a81b",
    "signer": "0x8c716F932726b40bC9E1CEC18f2c93dc876da1Dc",
    "userId": "237765871"
  }
}