{
  "manageEntity": {
    "action": "Update",
    "entityId": "29989384",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x23e82917ec27090c7f3be46c9420014bdc997f557ee5a7567d0b9ce884b0f698",
    "signature": "0xd3eb6dc6c4d63d0e305a13947a7b371967285085ee5ca3195e80203663b7dbfb556441c0d31996bc80c22b8211d3190df6d43b0dceb6d6e44974a883e9815e671b",
    "signer": "0x113593f987a99eD745288b3fed7A719d5cC3c1bF",
    "userId": "29989384"
  }
}