{
  "manageEntity": {
    "action": "Update",
    "entityId": "292524943",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x427822254d0e99c431d9c5f63b43cc08ccf2753707884408e0c72d16c6bc8bbf",
    "signature": "0x6a2b4925c60a7dcde46875f7fff0bba087aab1a85b1449005afc568b4b2b92bd35a1bec3fe71b41b2be0f56987828ab4a389098d5a785850ca75be33b74892291b",
    "signer": "0xc0d1b6f997F346E0291eDa5a82ffC8D9d704FC21",
    "userId": "292524943"
  }
}