{
  "manageEntity": {
    "action": "Update",
    "entityId": "797035469",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2b90a737a3fc0a15213f5eb26996c9bc49a147ca8f55c530c6bbbd3b052cfef6",
    "signature": "0xd303af0ae238d62d38ca9da4bc2f3711158106d542936b66a98cdbef31e5a624141ff6bcf4fb5a8a1d43cf2e4942f9565245bb85676db8911be1265fc4cb94b51c",
    "signer": "0xefF7C914e8cb6F6d98EB6DD97a36437CcD58E5c5",
    "userId": "797035469"
  }
}