{
  "manageEntity": {
    "action": "Update",
    "entityId": "348073098",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x53870a1e5d09357d9996da2cf507825a387b75bdeaaf89e1f4a2f7d02e27e5f9",
    "signature": "0x96e1c3b707b99947ff5363ccf2312614d88a66c83c6b8c6c5a0565f4efc4c98c700a30d251d57557fb88b74343ce4539ab066dbe242a9bec6f22fa23f60f78941b",
    "signer": "0xc77D218D702cE78A3646EE211A1D80eAc275ABca",
    "userId": "348073098"
  }
}