{
  "manageEntity": {
    "action": "Update",
    "entityId": "787931165",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xebdf2696c6e71b62f17e92b512b2e5a7437cbf1d0d70f6849bf8329aa46ab663",
    "signature": "0x9a869a4340027de4869ab804c00327ea12d86567187ef6440933d3db149fdde24eaf1c9b994baa76c5968460e257e0899c6f4440a97d6072b9c503be37cc6b5e1b",
    "signer": "0x9aB8C92886E1312cE81d6297E7Ccf4b71E8154d0",
    "userId": "787931165"
  }
}