{
  "manageEntity": {
    "action": "Update",
    "entityId": "47154652",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x52407059abcf9ed4059fb23adc25607833d2e112e91a0f8c05a1d3bd82f3363f",
    "signature": "0x88b12bc699fd2d7a1a1d9e41447f55e55eb1a669aa3147f537e2c1c2818e5c1e24fcc0d55147225beeb34b55b640a5dd0fa57f353622fb4a70f60e33e09ac4631b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}