{
  "manageEntity": {
    "action": "Update",
    "entityId": "52707343",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb30a7e1da9246829f25c85d768a42736b28f92e31fd1cbe08ecfd670b2223fcd",
    "signature": "0x0c6f03be0604873ef97f65731a8fbfd0eec2a7050c509ed1342df36e976322d46e32ddb3fc6a4fd61cc66d0d0b328c7e935bf4447944dfef2a84c72427be27111c",
    "signer": "0x2b8D92f48C5333a5517611C1D85d64517F01Be85",
    "userId": "52707343"
  }
}