{
  "manageEntity": {
    "action": "Update",
    "entityId": "49727432",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xce8d2e7901eeed96737dce6472d46c52109171d0b112a3ebc8d5cf04deded282",
    "signature": "0xd1feaadf86ed38f1aefb970bdb08b3e1534161c1149caa13347dfcc2862b028b1ed9ae0820b7a98ca759ffdfb5b94d6eee691a83a4e317e9f528a8315a0a29f81b",
    "signer": "0x14D33c0e56287a84a68E500392B3625625369333",
    "userId": "49727432"
  }
}