{
  "manageEntity": {
    "action": "Update",
    "entityId": "860340972",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd6d636a2d3e5520131b7e163371abf5568efbdaea900749fa656894e8d5e316e",
    "signature": "0x34265a9d2aa76ebb2702280c01e5ca89a49ae022e6b9edf31f2ab324719220bc7352b9d4794900799d5852ea82d6295f62fe5b5ee102622e8cda3eea5058e1621b",
    "signer": "0x5FA2B167c916071160F5c8A5e82d24bA7268988d",
    "userId": "860340972"
  }
}