{
  "manageEntity": {
    "action": "Update",
    "entityId": "827837269",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8ccf166d08f8c91ad9ad0ef6483ae7e791b89fec9e30438df692a16da1954f6a",
    "signature": "0xbabee9bf2e88dade5124e9b19359edde951380a81b068922de2204bc438b6f52664bc4252ff40acc1f19f9a692fc5e1707c216e5c58e82c6657955e869660c221c",
    "signer": "0x8cAb834F826D5A147bF5434142f6D07Bc0f4978F",
    "userId": "827837269"
  }
}