{
  "manageEntity": {
    "action": "Update",
    "entityId": "569747820",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x864a20315d980cb210517d3a62617fa7a34ad27983c2ed1aa80c1aaa3118d65c",
    "signature": "0x0bc630beb16863c6fe0f80bc3642a2a6d132ac752c1c6d3a181c356b559bba13546dc3e84b06801294b3ced6ced03a861ae4ca397cc016e050b1a5681a547f9f1c",
    "signer": "0x0A44a42c082f41293eDdE36f5e00db6D10B3dF2e",
    "userId": "569747820"
  }
}