{
  "manageEntity": {
    "action": "Update",
    "entityId": "497482081",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierah6we62h4gq4bb2bbolrbqcqoxoaev7ylvshsnw5b2dkdgpu5wuzq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1424260176},{\"type\":\"playlist\",\"playlist_id\":734160469}]}}}",
    "nonce": "0x59e7c33f3a866009cf758ae9b420c950b3dab5e940d8e507db2894f9c098c909",
    "signature": "0x0202e606bbe3c660688d761b819b526711cfb860172b8b0c96a926aa5000c49731103aa4f36eb5b8e5e49dd31555da15d522c706b8d0ee13bf5ac29570606dc81b",
    "signer": "0x3d9ce572b8448CdA6F36Fe98CC6E7fA003Bf405a",
    "userId": "497482081"
  }
}