{
  "manageEntity": {
    "action": "Update",
    "entityId": "172926413",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6801a0623777fee715f1cfd4e4ba305544e7ef8e6130e687f1ac9feb8c300689",
    "signature": "0x1ff0b81d053272d1c97c7819ffba7ef5d2240d05cb5c70c4eb94c0dfee9362531c29f925cf2f5ab0ff6decdd141a74e5ab9a02ac205b10d831baaea452eb907a1c",
    "signer": "0xeaB856Da67011891D5Ae4194a816e9c7299Ec2cF",
    "userId": "172926413"
  }
}