{
  "manageEntity": {
    "action": "Update",
    "entityId": "844959823",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc0be8536003f7811a9738d986fca1e7bdd2c6db892cb8c93cd8e32ac253732a5",
    "signature": "0x9dd236b37924afe3a3eff6ed26361da35c50edfa6c448bd6e66e64060efdf7ec190accf693d8ac039903eeccd40e38057764d18fa8e65ad23bea817272e480ad1c",
    "signer": "0x0118dFc4bd72D01EE87b349A142A99141905b73f",
    "userId": "844959823"
  }
}