{
  "manageEntity": {
    "action": "Update",
    "entityId": "458060869",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x20f898c7cda23ee21eb6ab3a7e67dc506b21c189e6f29205ea967f41fdd86f10",
    "signature": "0x6e09f9680876aa7e68277226d21488e6f9ee3d7bea39d4e0df5dcf58a72b1fec587f2339d05f787a8e624087aa5e0c20e018805dc52d52493ac5ad61262481b71c",
    "signer": "0xa94e4C47a5C11B5C0b4EC90e5166c3AF602dA094",
    "userId": "458060869"
  }
}