{
  "manageEntity": {
    "action": "Update",
    "entityId": "944117628",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xadb3184d0db49c6933fae0f575f05ebd92483b2b497a82d9d77005ebabc002a2",
    "signature": "0x1fb802474e513f7a8f8e2d898d30251ed30b4c86235fd2518a99d6cdc850e9750ba446b636f515bb96026b54baf4e74d79a79da41c96b6ac8b74f4f17e184e191b",
    "signer": "0xBe9B6f5cb472cCcDCEFf1f823a3Ec32D93CcF9C1",
    "userId": "944117628"
  }
}