{
  "manageEntity": {
    "action": "Update",
    "entityId": "995280810",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x50a70978d3809d9f9f3053bbe9b730a91f6d5f3ac4c7e2d60dbd28a0c23deaab",
    "signature": "0x85bf622312aae9428c04ffe441e7e70541201d23ad493364f34dc0e50bda348a3370934fd75873bcfa5676de61ce4f4b5f69abb93c5af3b9048bfa162b1275b91b",
    "signer": "0xe3c64b1f5E7e0Da588E291cF14186fA7EFa5f2E2",
    "userId": "995280810"
  }
}