{
  "manageEntity": {
    "action": "Update",
    "entityId": "267355791",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7fe1d076adf1c8e0bf5fb050d5525f69637cb868f08281cc8d74d088c8e6080d",
    "signature": "0x0e542caaa9deb4e55f0bb58d4f67d0a06212a94949629d031cc5ffb78074e10c42c1a020b1714352410ca82d50cda9fb0993f6c3ab1d243c63c8a9f73ee99f2b1c",
    "signer": "0x9167Bc115cFE3f8D967191add8bcE9eE6cc1856B",
    "userId": "267355791"
  }
}