{
  "manageEntity": {
    "action": "Update",
    "entityId": "471832731",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xca691301fbd719bcf5375005567934a620471131069f1f4eb564b66cdf2572ce",
    "signature": "0xfd7579d4601ee850c7e4951b80c9e167618b6e9f0261b471314e8cdf003222244f29d2196befe26609adfe48d065356824e049fc76ba88b316b2deb09b9822781c",
    "signer": "0x057B3dB41cC4b349935EB95e3FC86dD392BE1b99",
    "userId": "471832731"
  }
}