{
  "manageEntity": {
    "action": "Update",
    "entityId": "349629525",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbc0e1007f6ce7d1b29f40275fd90224a00091e9a90a0636efe3415ba33877a51",
    "signature": "0x22b8818ec8311c7eadde319b9e08ddf8bb00c09c154af0153ed869f6c3b4900424fe55f469236762b2d370094fb7c4245fd1bf2b1a47d5cb9c21de1e8af675c71c",
    "signer": "0x8bd0DeB0efbFF58553556C705ccDFD9BB97C1f4A",
    "userId": "349629525"
  }
}