{
  "manageEntity": {
    "action": "Update",
    "entityId": "569747820",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4ae69e5832c4da6ea1d6c2c80518ec5246115f16b15e5e7e097e326638b5d1bd",
    "signature": "0xaff0e990996c98ab08b83b5a49554c28b864a6e33a1b40185afb716a4a5897cd74061d77fc3620c132de5b7347a2e068db3a8de2b1a02b5f0c83ae0fb7aae3771b",
    "signer": "0x0A44a42c082f41293eDdE36f5e00db6D10B3dF2e",
    "userId": "569747820"
  }
}