{
  "manageEntity": {
    "action": "Update",
    "entityId": "569747820",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb3b43b03b473e87663ae095a27c3340456df9025eb6852874ff68c7b8f1bc043",
    "signature": "0xc60976cdf436a8ff0f71ae1827e94fa75c305370da7b909ebd7c34a3aecd2a627782ee2d4fbc51b8353a42b9f4e1580f8c76c4c040deb48b6637a2e14b142afd1b",
    "signer": "0x0A44a42c082f41293eDdE36f5e00db6D10B3dF2e",
    "userId": "569747820"
  }
}