{
  "manageEntity": {
    "action": "Update",
    "entityId": "895941245",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x98a44549b73657712fb20dbb783a0476c800713672b15a63663098220ce3376e",
    "signature": "0x346bc88719d592f064ed5a78b6da4c94298bd21fee6dd8c411363d9ffaeba163365af35f76791985adb6ad521244aa2803e2b10b4e9715a3b19e83c0191f2a771c",
    "signer": "0x0C43E9790FF8e2FbBc9b44B27C881d7Ab4FB2cB3",
    "userId": "895941245"
  }
}