{
  "manageEntity": {
    "action": "Update",
    "entityId": "308368436",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x32870e13c1edee38d6fe1635dd680496b11527edab553abb268f85ad9afa74f8",
    "signature": "0x1548e672c05a5aaf2cf7b46333cd168a25d38ec9d781d8a1bdf07a9f980484172fa80a1826122f0c64cefe43303b61f71b2c3ae9e53805d86b44fb9a4b41f7b51c",
    "signer": "0xe800D2B1218217A292BdBb2d27bda3Fb4Ff719AA",
    "userId": "308368436"
  }
}