{
  "manageEntity": {
    "action": "Update",
    "entityId": "119807977",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x330a440f5051ebdf3475debb82f9cbeaf171885f6653f8bf123aef8989af6903",
    "signature": "0xefd0c4ac654546348728a8e1b1befd61e040cef6cd73f42950ce80663b969648569578f2e78ebf26de32883255d20007e28356c73a6db323a6e7c0fb37cf350d1c",
    "signer": "0xf33Da9D00c98044caf842cdff3d9d9359A6F5B2F",
    "userId": "119807977"
  }
}