{
  "manageEntity": {
    "action": "Update",
    "entityId": "25580603",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb677b4b6c1153337e6d4bdc5aa3c0e15dfe2f68ddabbbfdd7c9119bab49a809c",
    "signature": "0x61c5e3d4db98a7e9f61c0e212d06e630d553ceba710c4af4d5475ba4e787dfc86332208afa5801b0b788b8e13d58cac7485dcf5a79d6277c33c969e3ae39bc231b",
    "signer": "0x244585f234719dE1e0Cb3A04b483c06605Adc90F",
    "userId": "25580603"
  }
}