{
  "manageEntity": {
    "action": "Update",
    "entityId": "183427799",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc50eae37d5dfd86ecced3c503b82db27a8ff547907dec77bce2ac76b2ef64e66",
    "signature": "0xbc053e9f44526a8c8dd1c3b238ee3ac0a03cc2fce876e26d57066d3cf4dec3a93a21e00faa5d3ddaffdb0abb1dee544cc360d2c6733d6cfb8cb033f2c1e73b591c",
    "signer": "0x00cf0168F42053036842AaB1eF749F0183ccEa03",
    "userId": "183427799"
  }
}