{
  "manageEntity": {
    "action": "Update",
    "entityId": "832575185",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa784dc788c6bb5d60f302bc2ae9c61365b15c4f148b641ad40dfd8b2521baadd",
    "signature": "0xa405c5c1b776521419429787333e6b66e987f46ab56f3b241be23c0a372079f73a1a3fc63162e5dcffed5876d0ba6fa0e1c27cc75d628edb58ac2f258e988e431c",
    "signer": "0x54bC87876799beaFF396Caf61aE3186E8235343D",
    "userId": "832575185"
  }
}