{
  "manageEntity": {
    "action": "Update",
    "entityId": "481317253",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0fa20ceaa6f9e81bd8eec4b7b5498c75931ed683b5048c86189efa4119f5ddae",
    "signature": "0x86ccb97e61716dfac0f915b3dd2bcf4e2c0fd8f0c9962bf7985b2a7fbf99f056309b1cbcc141b819020882525a2692d5ff7cef3a1033ad5a2f777f2a3a1f77491c",
    "signer": "0x30654Dc61B0C086EDA66789591a606222f4fe531",
    "userId": "481317253"
  }
}